package org.niu.stack;

import java.util.Stack;

public class StackToQueue {
    Stack<Integer> stack1 = new Stack<Integer>();
    Stack<Integer> stack2 = new Stack<Integer>();

    public void push(int node) {
        while(!stack2.isEmpty()){
            Integer pop = stack2.pop();
            stack1.push(pop);
        }
        stack2.push(node);
    }

    public int pop() {
        while(!stack2.isEmpty()){
            Integer pop = stack2.pop();
            stack1.push(pop);
        }return stack1.pop();

    }
}
